Tk::Internals(3pm) on Linux
The text e72282d196d6, as Debian 12 (Bookworm) shipped it.
what is Perl Tk interface doing when you call Tk functions. This information is worse than useless for "perlTk" users, but can of some help for people interested in using modified Tk source with "perlTk". This document is under construction. The information is believed to be pertinent to the version of "portableTk" available when it was created. All the details are subject to change.